Absorbent structure having improved absorption properties

Details Absorbent structure having improved absorption properties Absorbent structure having improved absorption properties

A - Human Necessities

61

L

A61L 15/24 (2006.01) A61L 15/60 (2006.01)

Patent

CA 2330008

An absorbent structure in an absorbent article such as a diaper, a pant diaper, an incontinence guard, a sanitary napkin or the like, said structure comprising a combination of a porous material such as fibers and/or foam, and at least 50 % by weight of a superabsorbent material in at least one area thereof in which the superabsorbent material is distributed. Said superabsorbent material is cross-linked by means of ionic bonds, preferably a polyvalent metal ion. The superabsorbent may further be covalently cross- linked.

Cette invention se rapporte à une structure absorbante pour articles absorbants, tels que couche, protège-slip, coussinet d'incontinence, serviette hygiénique ou similaire, cette structure comprenant un matériau poreux, par exemple des fibres et/ou une mousse, associé à au moins 50 % en poids d'un matériau superabsorbant placé dans au moins une région du matériau poreux dans laquelle le matériau superabsorbant est réparti. Ce matériau superabsorbant est réticulé au moyen de liaisons ioniques, telles que de préférence un ion métal polyvalent. Ce matériau superabsorbant peut en outre être réticulé par covalence.

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